
Matt H. answered 11/11/14
Tutor
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At your kid's age, I hated math, too. Not any more!
Hi Alexis--
The everyday term for what Russ explained is, "the zero property of addition." Any number + 0 = that number, as in your equation.
(And the multiplication property he describes is often known as "the identity property of multiplication," where any number times 1 equals that number.)
Hope this helps.
Matt in New York